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Trigeminal-autonomic cephalalgias (TACs)
| Cluster headache | Paroxysmal hemicrania | SUNCT | |
| Sex ratio M: F | 3: 1 | 1: 2 | 2: 1 |
| Duration of attacks | 15–180 min | 2–30 min | 5–240 sec |
| Frequency of attacks | 1/2 days to 8/day | 5–40/day | 3–200/day |
| Periodicity | Episodic form may be seasonal | Episodic or chronic | Episodic or chronic |
| Treatment | Verapamil | Indomethacin | Anticonvulsants |
| Lithium | |||
| Steroids | |||
